Oil cooler adapter



FIG. 1 is a perspective view of the oil cooler adapter;

FIG. 2 is a front elevation view of the oil cooler adapter;

FIG. 3 is a right-side elevation view of the oil cooler adapter;

FIG. 4 is a back elevation view of the oil cooler adapter;

FIG. 5 is a left-side elevation view of the oil cooler adapter;

FIG. 6 is a top plan view of the oil cooler adapter; and,

FIG. 7 is a bottom plan view of the oil cooler adapter.

The broken lines shown illustrate portions of the oil cooler adapter that form no part of the claimed design. 

CLAIM The ornamental design for an oil cooler adapter, as shown and described. 